Abstract, Results, and Discussion for Fly Lab.docx

Abstract, Results, and Discussion for Fly Lab.docx - Kalli...

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Kalli Rohloff Bhatia LSC 348 Fundamentals of Genetics Lab 10/22/2018 What Enables Drosophila Wingless Flight Abstract: In many laboratory experiments Drosophila melanogaster , common fruit fly, is used to determine inheritance. These flies are used due to their versatile qualities. These include being able to be genetically modified, having a short reproduction cycle, and having a similar genome to humans. There were two crosses that were done. They crossed mutant male flies with female wildtype virgins to test Mendelian inheritance. A hypothesis was made that the F2 generation of the flies would follow Mendelian inheritance and the ratio of genotypes would come out to be 9:3:3:1. The first cross of the flies was between female wildtype virgins with sepia eye/vestigial winged males. F1 offspring were produced from the parents (P1). P1 were all disposed of. The F1 flies from the original cross were then mated with the F1 flies from the reciprocal cross. After this cross the F2 generation is produced. The cross between female wildtype virgins and black body/vestigial winged males was carried out the same. After all crosses the sex and phenotypes were recorded. For both crosses that were done, the F2 generations were proved to not follow Mendelian inheritance. This is based on Chi-square analysis. Additional analysis was done to determine whether genes were linked or not. For the cross between female wildtype virgins with sepia eye/vestigial winged males the genes were linked with 11.05mu between. For the cross
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